Spark-arrester and smoke-consumer.



WY T. 5L I. MGS. LUPTN.

"-1 .ARK ARRESTER AND SMOKE CONSUMER.

APPLICATION NLED MAB. a, 1909.

956,589. mente@ may 3, 1910.

P lil SWW-micas; Mza f7/f UNITED T OFFICE."

' WILLIAM TAYLOR LUPTON .AND JAMES MCSHERRY LUPTON, OF BERKELEY COUNTY,

WEST VIRGINIA.

SPARK-ARRESTER AND SMOKE-CQNSUMEM.

956,589, Specification of Letters Patent. Patented luay 3, 1910, Application ld March 9, 1909. Serial-No. 482,247.

To all 'whom 'it may concern: I nace, 2 the smoke stack, and 3 the holler of Bc it known that we, WILLIAM TAYLoR a. 1

'LUr'roN and JAMES MCSHERRY LUr'roN, cititype or construction. The return from the z'ens of the United States, residing in the E smoke stack to the furnace comprises an encounty of Berkeley and State of West Virtrance portion4 and downwardly extending 60 ginia, have' invented certain new and useportion 5 having a delivery end 6 within the ful Improvements in SparleArrest/ers and rnace, preferably, although not necessa- ,Smoke-Consumers, of which the following I rily, below the grate. Entrance portion et isa specification. of the return pipe may be of any preferred l -Our invention relates to the reduction of i Sllapev in CrOSS-Se'ton, being ShOWl aS IGC- 65 l sparks and smoke given-olf by furnaces-in tangular. The downwardly ext'endingporeneral, and particularly by locomotive tion 1s preferably divided, a part being'aroiler furnaces.. ranged on each side of the boiler, but any 'While the invention is capable of a wide Other disposition ma be madeof lthis po rrange -of application, 'it is particularly tion, and ofthe de ivery end which may 70 ada ted to, and therefore will be illustrated enter't-he furnace at any preferred point. an described in connection with,'loco mo l .The returirpipe is provided with a venttive engines 'in the furnaces o f which soft opening furnished with removable screens or bituminous coal is used as fuel. We do 7 Of pro 9er mesh to prevent egressv of ein# not wish to limit the invention, however, to ders an sparks. These screens are sup 75 use with 'any particular kind of fuel. ported in the opening by la fixed deliect'or 8 The principal objects of our 'invention are and flange 9, and are covered bya removto'arrest all cinders and sparks; to consume able hood lO- opening rearwardly. Hood 10 the greater part of the Smoke from the fur- I 1s` secured in place by lip ll and bolt l2. naceduring the normal running .of the en- The vent 'opening is controlled by a movable 80 gine; to provide for confining practically i defieetor iap'l connected to arm 14; on the all of the products of combustion for short outside `of-the return pipe. Hood 10. `and intervals of time, as, for instance, while .the screens 7 may be readily removed for cleanlocomotive is standing'at a station or passing the latter.- It will be observed that the ing through a tunnel; to provide means for vent opening is shown as a lateral opening 35 cha ing to the straight draft. or' exhaust m the return pipe, and that the deflector is to a 'mosphere direct; and to provide a mounted adjacent thereto and extendin'gi-in single controlling lever. in the eab'by means the general direction or movement ofthe of which the mechanism forelfect/ing the products. of combustion .which impinge 3 5 above objects may be operated and adjusted.- agaistit. 'Tlieheavier particles will there# 901 v bein broken away; Fig. 2 isa vertical Ioriv trance of said return pipe .sotasto'c F urtlier and minor o ject-s will more fully fore be. guided away from said openin and appear hereinafter, reference being had to" will-be carried back to the furnace, w ile'a the accompanyingfdrawings' 4which illustrate portion of theli liter products of combuswha't we now believe to be the-best embodi- I tion will escape't roughsaidopening. ,lo ment of the invention. Forced circulation of the'productsoffcom- '9s In t 'c drawfings, Figure 'l is a View in i bustion back througlrvtlie return pipe is efi" side elevation 'of a locomotive engine boiler fected "by an air blast delivered intoztllier `and furnace equipped with our improvetrance thereof by injector nozzle; 15, w h ments, 'a part of the furnace and return Hue Should b e positioned with respect to the of4 the same; Fig. 3 is a' vertical cross-secplpe .16 to a sou-ree 0f air pressureyshyvn tion of the same, taken on line 3 3, Fi l', asa fan blower 17. Fan blower -li'isdr ven:

look-ing in the direction of the arrow; Fig. in any Suitable l eimer, 8S by' 's' is anzenlar ed detail in' section of one of .I ine 18 to be supplied -either vvrith'e'v eva ves; ig.' '5 'is-'an end elevation -of s eamfromengine exhaust 19 .throu e' .controlling lever; and: F ig-.3 .I is'. an, nH 0r With livestea'm through pipe'g... At rear end .",of'one .o' f tlie .Exhaust steamviiozzle 225i' the iriainl ellgine is provided with' an lternative. air 4 ...p1pe,es 1;e connection 23 having. a valve 24, 11./

all located in the spark box of the locomoi tive.V Valve is capable of two 'closure positions and controls the exhaust steam4 gconnection both with nozzle 22 and turbine ating ro '32.is connectedto arm 14 of movt able deliector 13 and' controls both the ex@ liaust steam andy live steam connection of turbine 18 by'means ofthreewayvalve33, moved by lever 34 pivoted at 35 and having' 'a pin and slot connection with the valvefoperating arm. v Three-way valve' 33 has il port 'ari'anged to connect pipe 20 eitherwith the turbine ory with e'i'rhaust pipe 3'( to atmosphere and also has a'port 38110 connectlive steampipe 21 with, or cut it olf from, the turbine, as clearly shown in Fig. 4. Globe valve 39 is provided in the pipe 21 to regulate or entirely eutLol' the 'live-steam from valve 33,-

trolledfby closure2, which is fas "natural draft when' the locomotive is in motion.

The turbine exhaust is shown at 18( At the delivery -en'dof the return pipe, e provide an auxiliarydraft accelerating f device40- havin a check valve 41,l this device being supp ied with a rush of air or Thedischarge of smokeestk 2 is .conrtedliy rod 31 through gear segment '12 vand piil' ion 2 ".j`4 l Q erating l war Vor-backwzudby lever 42V pivotedat 43 and carrying two. pawls Pawl 44 has a' 'forward arm 4 5' adapted .to engagea notch in rod'31, and "also area'rwardv arm 4 6 having a perforation to reeiite'thepshank4 4'( of the' pawl 48, Whichlattei" ges a notch in rod 32. Shank?? extendst 'rough a lug 49 on thelever, and' 4is ladapted toengage notches 50 of a rack. Pa`w1441is controlled- 'byhand pieeel through rod l52, ths'also .eontrolling awl 48' simu1taneously.' Pawl'l feo 48 is control' ed inde endently b hand piece i vided with serrationsor notches 31 an '3% for engagement' withl s lpports' 31 and l. 32

after being'operated.. en being' operated the rods are raised olea-r ofthese supports by The o' eration is as follows: The various parts o the apparatus are shown 4in their respective positions for normal running, ex-

haust steambein -sup lied to the Vturbine and air "being de were' -throu nozzle' 22, 7 l

L tails. of` construction and "anfang-eme trof to' assist "in carrying the pr uets of combustion Vupward `toward they smoke] stack,

and also through nozzle 15. 4Live steam' valve 39 'is closed. The smokefstack diefcharge is-cut, oifby closure 2', 'and deflector rods 31 and 32 are moved forv' vder theseconditions, the injector action of nozzle 15 causes, or aids, the return of the products of combustion (mixed with air) through the .return pipe to the furnace, the heavier particles such as sparks and/ciw ders, being deflected downwardly by fixed and movable deilectors 8 and 13 to facilitate their-p into t, e downward portion 5 ofthe return pipe, and a-portion of the lighter smoke and gases passing out through said vent opeir ing. '"Thel reinaindercf the products of combustion, with the lsparks land cinders, are returned 'to the Yfurnace wherethe einders are deposited and'the unburned 'com pbustible' particles and Agases are burned" Such of t e exhaust steam 'as is not needed .for runnin the Vturbineinaybe vented in an 4. suitab e manner. ex i'anst steam, as when the engine is shut l down (the locomotiv'standing-at a station), valver39 is ,opened-and the turbine operated by livev steam. In order to eliminate all, or practical] all, of'tlie iiie smoke and gases for a s ort interval of time, as when passing through `a `tunnel or standing in a time,A ymeans; of valve 33, cuttingoli'all fhteam Vfrom the turbine 18 4and v connecting` regress away from the vent opening,

When there is no b ylla or inovable'dellector 153, 'at-the the niain'engine exhaust to atmosphere at" s liort tme. Inl order vto change tofthe` ordi# ing 'from tlie'former initialpositioh of the.' l

parts, 1evi42 is .retractedypnessure being ap llied to hand piece 51'" zThisclutcliesbeth ro .s3-1 and32 to the leveLandl-,foreesthe'i'n forward. By this moton'rod 31.10Den's ,the -smoke sta-ek and operates valve l25 to open4 tligi exhaust steamconnection to' nozzle 22, and close-its' connection to pi e20, Vat the rsame time closing valvte'xg. y this same movement, rod 32 th a ainsi* the'bottoml of entrance portion '4 o thei-etiirn pipe, thereby closing the re"- -turn ipe The exhaust steamiroi'n nozzle.

ows" flap --13 down 22 'wi 1 now make a direct forced draft out through .smoke stack -2, as in the ordinary; construction. Various of the valves, and* are-arranged to open `against pressusthereby 4securing certainty, in elesf f; i

ing.; 'e'V do' not limit ourselves, liowiev. lto the use of iiapvalves, v y

We are aware that many changers" partsniay be made without departinggfroni;

valves arems'liown; as flap rions combinations of thel-eleni'ents Q.Lap-a paratus disclosedinavbe used withoutt-lie Y 4remaining e/lements or'with entranwusjde vices, and all such changes and combinations We desire to cover in t-he appended claims.'

What We claim, and desire to secure by v l. In apparatus for eliminating sparks and smoke, the combination With a furnace and a smoke stack, of a return pi e from said stack to' said furnace provide with a lateral discharge vent opening to permit escape of a portion of products of combustion, a detlector adjacent said opening extending in the general direction of inovement of the products of combustion impinging thereagainst for guiding the heavierl particles away frein said opening, and means for causing a forcedfcirculation through said return pipe.

2. In apparatus for eliminating sparks and smoke, the combination with a furnace and a smoke stack, of a return pipe from said stack to said furnace provided with a screened discharge vent opening, a movable deiieetor pivoted adjacent said opening and arranged to close said opening orto deiect the heavier particles away. from said opening, and means for creating a forced circulation through said return pipe.

3.111 apparatus for eliminating sparks and smoke, the combination with a locomotive furnace and smoke stack, of av return pipe from said stack to said furnace provided With azdischarge vent opening, a rear- 'vardly discharging hood for said vent. openv1'iig a-defiector for the heavier particles ad gacentsaid vent opening, and means fot causing the circulation yof products'of combustion through said return pipe.

4. In apparatus for eliminating sparks and smoke, the combination with a furnace and 'a smoke stack, of a return pipe from said stack to said furnace provided with a discharge vent opening, means forinjecting air into the return pipe to create a forced circulation from said stack, and an auxiliary circulation forcing means at the deliveryA lend of said pipe, of less capacitv than said injecting means.

5. In apparatus for eliminating sparks and smoke, the combination With a furnace and its "discharge fiue,'of a return pipe from lsaid flue to said furnace, a pump for forcing the return circulation from said flue through said return pipe,a motor connected to drive said pump, a movable closure for t'- discharge of said flue, and an operating con nection for controlling both saidmotor and said movable closure.

G. In Aapparatus for eli :iinating sparks and smoke, the combination with a locomotive furnace and boiler, and a spark-box and smoke stack, of a movable closure for the discharge of said stack, a ret-urn pipe from said stack to said furnace, an injector for .forcing the return circulation to said pipe, a

motor' driven air pump for lsupplying air under pressure to said injector, an exhaust steam nozzle in said spark box, an afir pressure connection to said nozzle, an exhaust steam'connection to the motor of said air pump, and an operating connection for controlling said closure and said exlnrust-steain and air-pressure connections.

In apparatus for eliinii'niiting sparks and niche, thc combination with a furnace and its discharge flue, of a return pipe .from said liuc to said furnace. provided with a Vent opening, a valve for controllingI said vent opening, pump and connections for causing a forced circulation. through said re turn pipe, a Huid-pressure engine for operating said pump, a valve for controlling admission of iiuid pressure to said engine, and common means for operating-said bent valve and` said engine control valve.

8. In' apparatus for eliminating sparks and smoke, the combination with a furnace and its discharge tine, of a closure for said Hue, a return pipe fi'u'n'i'said fine to said fui-- nace, a pump and connections for causing a forced circulation through said return pipe,

Huid pressure motor connected to drive '-'said pump, and common means 'for control lpg said closure and the iiuid pressure suppliedto said motor.

9. In apparatus for eliminati-ng sparks and smoke, the combination with-a furnace and its discharge flue, of a closure for 's'aid '1 flue, a return pipe from said flue to said furnace provided with a vent opening, a valve for controlling said vent opening, a pump andconnectionsfor causing a forced circlilation through said return pipe, and conimon inea' s for controlling said 'closure said valve anu' said pump. i

l0. Inf. apparatus for eliminating sparks and smoke, the combination with a locomo- "tiv'J-e'iigine, boiler, tfurnace and discharge Hue, of a return `pipe from said iiue to said furnace, a pump and connections for causing a forced circulation through said return pipe, asmall steam engine for operating said pump, an exhaust 'steam connection from said locomotiveengineto said small steam engine and a live steam connection from said boiler to said small steam engine, and a valve having a movableelemeiit to connect either live or exhaust steam to said small engine or tofshut off both and connect said exhaustto atmosphere.

11. In vapparatus forfeliminating sparks and smoke, .the combination with 'a furnace and its discharge flue, of a closure for said flue, an operating rod for said closure, a return pipe from said flue to vided with a discharge vent opening, a valve forcontrolling said vent opening, an operat-A ing rod for said valve, means for causing-aforced circulation through said return pipe, anu' a common operating lever for said rods.,l

iis

12. The combination with a furnace and 5130 21nd its discharge flue, of a return pipe from said flue to said furnace provided with a dischar e vent opening, suitable controlling valves or said parts and operating means therefor comprising a serrated rod, a fixed support engaging the serrations thereof,

and a lever forraising saidrod from said 4support and moving sald, rod.

thereforicom risln "engaging an holdlng the same, and means `14C. In` apparatus 'foreliminating sparks and smoke, the combination with a furnace and its discharge fine, of a return'pipe from said flue to ,said furnace e vent opening, suitable controllingV discharg valves or said parts and operating means a rod, a fixed support 4for raising and disengaging said rod from "said supportand moving said rod to operate `V said controlling valves.

l5. In apparatus for eliminating sparks 'and smoke, the combination with a furnace and its discharge flue, of a' return pipe from said flue to said furnace, auxiliary appara tus coperating with saidl parts' for' causing and 'controlling the flow of gases therethroughpanoperating rod for said appara-` rovided with a' lation through said return pipe.

tus, a fixed support for engaging and holding said rod, a lever for moving lsaid rod, and means carried by said lever for gripping said rod and disengaging the samel from its engaging and holdin support.

y16. The combination with a furnace and a smoke stack, ofa return ipe. from said stack to said furnacefprovi ed with a later'al discharge vent opening to permit escape of a portion of productsnf combustion, a deflector adjacent said opening extending in the general direction of the movement of products of combustion impinging there against for. guiding the heavier particles away from said opening, and means for injecting air into said return pipe to create a forced circulation from said stack. Y.

'17. The combination with a furnace and a smoke stack,l of a return pipe from said stack to said furnace .provided with Va lat- 'eral discharge vent opening to permitescape of a portion of products of combustion, a movable deflector pivoted adjacent said opening and extending in the general direction of movement of products of combustion impinging thereagainst, said defiector being arranged-to close said opening or to deiiect the heavier particles away from said opening, and means for creating'a forced circu- In testimony We have, aiiixed our signatures,l in presence of two Witnesses.

WILLIAM TAYLOR LUPTON, JAMES MCSHERRY LUPTON. Vlitnesses` EDWARD RUTLEDGE, CHnRLns A VYOUNG. 

